3 listings from 2 dealers nationwide. Prices range from $17,995 to $33,995. Median price is $22,995.



The 2018 Toyota Sienna is currently available from 2 dealers on Searchshop with 3 active listings. Prices range from $17,995 to $33,995. Median price is $22,995. 12 other model years are also available, which gives you a reference point for how the Sienna has held value.
Asking prices show a moderate spread, typical for this model year — pay attention to mileage and condition when comparing listings.
Most listings sit in California, with a cluster around Santa Ana.
For a 8-year-old Sienna, prioritize a pre-purchase inspection by an independent mechanic who knows the model. Ask specifically about common 2018 model-year issues, verify the title is clean, and assume any "we just replaced…" claim needs paperwork to back it up.